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An object travels in a circle of radius 2.0 m. At time t = 0, the object has a velocity of 10 m/s and it slows uniformly to a stop in 30s.
a. Draw a circle and indicate the velocity vector and the acceleration vector at some time between 0 and 30s.
b. What is the tangential acceleration?
c. What is the magnitude of the net acceleration?
Calculate the speed of an 8.5 × 104 kg airliner with a kinetic energy of 1.2 × 109 J
You hold a ruler that has a charge on its tip 6 cm above a small piece of tissue paper to see if it can be picked up. find the minimum charge required to pick up the tissue paper
A small object with a mass of m = 808 g is whirled at the end of a rope in a vertical circle with a radius of r = 128 cm. determine the tension in the rope
a proton moves vertically upward perpendicular to a uniform magnetic field and deflects to the right as you watch it. What is the direction of the magnetic field
You throw a 13 g rock and it leaves your hand at a speed of 17 m/s. What is the de Broglie wavelength of this rock
Jessica's weight is 540 newtons. According to the Third Law, if the Earth pulls on Jessica with a force of 540 N, then Jessica pulls on the Earth with a force of 540 newtons that acts in the opposite direction.though , if Jessica stumbles while rol..
A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C.
Particle A of charge 5.00x10-4 C is at the origin, particle B of charge -5.00x10-4 C is at (3.00 m, 0) and particle C of charge 3.00x10-4 C is at (0, 2.00 m).
Having taken a nap under a tree only 20 m from the finish line, Rabbit wakes up to find Turtle 19.5 m beyond him, grinding along at 1/4 m/s. If the bewildered hare can accelerate at 8 m/s2 up to his top speed of 17 m/s (38 mi/h) and sustain that s..
A boy on board a cruise ship drops a 30.0 g marble into the ocean. what is the terminal speed of the marble
How much force does a 150,000 N/C force exert on a deuteron.
An accelerating voltage of 2.65 multiply.gif 103 V is applied to an electron gun, What is the magnitude of the deflection on the screen caused by the Earth's gravitational field
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